Analysis

  • max time kernel
    169s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 13:08

General

  • Target

    5a0d96c8f3909d5597709aae44c69d135cbadd065829172e73cb156af1714091.exe

  • Size

    2.8MB

  • MD5

    71aa359e00999169142ae93d283bf332

  • SHA1

    e47655b44c72c7405cad12625d15ba987bce630c

  • SHA256

    5a0d96c8f3909d5597709aae44c69d135cbadd065829172e73cb156af1714091

  • SHA512

    dc7e8a0606e5e52cdcb6814c92636b11ba234eddd604276dca6761630e58340e5282dee3c49cb815527be40be9c7d13a669ef0b5f09c1de5d28f58e3ee4fc1cb

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a0d96c8f3909d5597709aae44c69d135cbadd065829172e73cb156af1714091.exe
    "C:\Users\Admin\AppData\Local\Temp\5a0d96c8f3909d5597709aae44c69d135cbadd065829172e73cb156af1714091.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3012
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1268
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2740
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3780

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3012-130-0x0000000076940000-0x0000000076941000-memory.dmp

    Filesize

    4KB

  • memory/3012-133-0x0000000077124000-0x0000000077126000-memory.dmp

    Filesize

    8KB

  • memory/3012-134-0x00000000746BE000-0x00000000746BF000-memory.dmp

    Filesize

    4KB

  • memory/3012-135-0x0000000000200000-0x0000000000946000-memory.dmp

    Filesize

    7.3MB

  • memory/3012-136-0x00000000065C0000-0x0000000006BD8000-memory.dmp

    Filesize

    6.1MB

  • memory/3012-137-0x00000000015A0000-0x00000000015B2000-memory.dmp

    Filesize

    72KB

  • memory/3012-138-0x00000000060B0000-0x00000000061BA000-memory.dmp

    Filesize

    1.0MB

  • memory/3012-139-0x0000000005D90000-0x0000000005D91000-memory.dmp

    Filesize

    4KB

  • memory/3012-140-0x0000000001600000-0x000000000163C000-memory.dmp

    Filesize

    240KB